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    • 2. 发明申请
    • WIRELESS ROOT CANAL APEX LOCATOR
    • 无线ROOT CANAL APEX定位器
    • WO2005070325A1
    • 2005-08-04
    • PCT/US2005/000562
    • 2005-01-07
    • DENTSPLY INTERNATIONAL INC.MAXWELL, RandallGARROTT, Charles, E.
    • MAXWELL, RandallGARROTT, Charles, E.
    • A61C19/04
    • A61C19/04A61C19/042
    • A wireless dental apex locator (10) for use in determining the location of the apex of a patient’s root, includes an electronic module (13) having a battery power source (13a), an impedance analyzer circuit (13b) and a radio frequency transmitter (13c); a grounding module (12) having a clip (15) for grounding the patient; a probe module (14) having an endodontic probe (21); and an associated but not physically connected display unit (11) having a receiver (31) for receiving radio frequency signals from the transmitter (13c). The display unit (11) has an electronic circuit that conditions the signals and interprets the signal for display on a graphic display (31).
    • 一种用于确定患者根部顶点的位置的无线牙科定位器(10),包括具有电池电源(13a),阻抗分析器电路(13b)和射频发射器(13)的电子模块(13) (13C); 接地模块(12),具有用于使患者接地的夹子(15); 具有牙髓探针(21)的探针模块(14); 以及具有用于从发射机(13c)接收射频信号的接收机(31)的相关但不物理连接的显示单元(11)。 显示单元(11)具有电子电路,其对信号进行调节并解释用于在图形显示器(31)上显示的信号。